222032222121 has 16 divisors (see below), whose sum is σ = 300856546368. Its totient is φ = 145620499200.

The previous prime is 222032221969. The next prime is 222032222149. The reversal of 222032222121 is 121222230222.

It is not a de Polignac number, because 222032222121 - 2¹³ = 222032213929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222032222161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572820 + ... + 878741.

It is an arithmetic number, because the mean of its divisors is an integer number (18803534148).

Almost surely, 2^222032222121 is an apocalyptic number.

It is an amenable number.

222032222121 is a deficient number, since it is larger than the sum of its proper divisors (78824324247).

222032222121 is a wasteful number, since it uses less digits than its factorization.

222032222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452392.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 222032222121 its reverse (121222230222), we get a palindrome (343254452343).

It can be divided in two parts, 222032 and 222121, that added together give a triangular number (444153 = T₉₄₂).

The spelling of 222032222121 in words is "two hundred twenty-two billion, thirty-two million, two hundred twenty-two thousand, one hundred twenty-one".